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Kernel: Remove pointless ref-counting from PhysicalRegion

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These are not multiple-owner objects and have no use for ref-counting.
Make them simple value types instead (not eternal heap-allocated.)
This commit is contained in:
Andreas Kling 2021-07-11 14:29:02 +02:00
parent 29d53cbee2
commit b2cd9b2c88
4 changed files with 20 additions and 29 deletions
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7
Kernel/VM/MemoryManager.h
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@ -16,6 +16,7 @@
#include <Kernel/SpinLock.h>
#include <Kernel/VM/AllocationStrategy.h>
#include <Kernel/VM/PhysicalPage.h>
#include <Kernel/VM/PhysicalRegion.h>
#include <Kernel/VM/Region.h>
#include <Kernel/VM/VMObject.h>
@ -245,9 +246,9 @@ private:
SystemMemoryInfo m_system_memory_info;
NonnullRefPtrVector<PhysicalRegion> m_user_physical_regions;
NonnullRefPtrVector<PhysicalRegion> m_super_physical_regions;
RefPtr<PhysicalRegion> m_physical_pages_region;
Vector<PhysicalRegion> m_user_physical_regions;
Vector<PhysicalRegion> m_super_physical_regions;
Optional<PhysicalRegion> m_physical_pages_region;
PhysicalPageEntry* m_physical_page_entries { nullptr };
size_t m_physical_page_entries_free { 0 };
size_t m_physical_page_entries_count { 0 };